Wheat fusarium head blight prevention and control agent and preparation method thereof

Abstract

The present invention relates to a wheat fusarium head blight prevention and control agent. The preparation method comprises: weighing asarum sieboldii miq, andrographis paniculata, polygala tenuifolia willd, acorus tatarinowii, fructus toosendan, cnidium monnieri (l.) cuss, angelica dahurica, and tobacco, washing, carrying out air drying, crushing into fine powder, adding acetone, carrying out shaking extraction three times, combining the three filtrates, recovering the acetone extract,, and dissolving with clear water to obtain the finished product. According to the present invention, the active ingredients of various raw materials are extracted and are matched; during the use, on a clear day in the morning, the obtained agent is sprayed on the whole plant by using an electrostatic spraying machine while the wheat field is sprayed once, the spraying is performed once a day and is continuously performed for three days, and then the spraying is continuously performed after the interval of the two days; the statistics results show that the pathogenic bacteria of the fusarium head blight can be effectively inhibited, and the cure rate is more than or equal to 95%; and with the matching of the cleaning-up of the infected plant, the large-scale outbreak of the fusarium head blight can be avoided, and the benefits of farmers are protected.

Description

technical field [0001] The invention belongs to wheat disease prevention technology field , especially a method for preparing wheat scab control agent. Background technique [0002] Wheat is an annual or biennial herbaceous plant with erect, hollow stems, wide strip-shaped leaves, oval seeds, and grooves on the ventral surface, containing starch, protein, sugar, fat, vitamin B, lecithin, arginine and various Enzymes not only have extremely high nutritional value, but also wheat seedlings, malt, and wheat bran can be used as medicine. Wheat is often attacked by a variety of diseases during the planting process, such as: take-all, sheath blight, powdery mildew, leaf rust and scab, among which scab is one of the main diseases of wheat, from seedling to heading It can occur at any stage. The pathogen mainly hides on the wheat stems with mycelium. In the early stage of the disease, rot will appear on the spikelets, stems, and wheat seedlings. During the continuous rainy weathe...

AI Technical Summary

Problems solved by technology

Carbendazim, thiophanate-methyl, and carbendoxycarb wettable powder can be used for spraying when the disease occurs, but after long-term use, the efficacy of the medicine will decrease, and it will affect the ecological balance of the wheat field

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